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On Feb 12, 2020, at 7:47 PM, James H. H. Lampert <jamesl@xxxxxxxxxxxxxxxxx> wrote:
I've got some more detailed GC stats. The full report runs 600 pages for just the last 300 GC cycles, so I've just included three cycles worth of data:
GC Cycle Number : 1801 Basic GC Cycle Information: Current GC cycle time . . . . . . . : 399 GC reason . . . . . . . . . . . . . : Allocation Failure GC area . . . . . . . . . . . . . . : None specified GC compaction reason . . . . . . . . : None specified Number of internal cycles . . . . . : 1 Time spent in excessive GC time . . : 0 Number of objects moved . . . . . . : 0 Amount of space consumed by moved objects . . . . . . . . . . . . . : 0 Number of classes unloaded . . . . . : 0 GC Time Information: Cycle start time . . . . . . . . . . : 02/12/20 11:58:08.104 Cycle end time . . . . . . . . . . . : 02/12/20 11:58:08.503 Mark start time . . . . . . . . . . : 0 Mark end time . . . . . . . . . . . : 0 Sweep start time . . . . . . . . . . : 0 Sweep end time . . . . . . . . . . . : 0 Compact start time . . . . . . . . . : 0 Compact end time . . . . . . . . . . : 0 Nursery Area Information: Free space at start . . . . . . . . : 0
Allocated space at start . . . . . . : 1179648
Total size at start . . . . . . . . : 1179648
Free space at end . . . . . . . . . : 1140219
Allocated space at end . . . . . . . : 39429
Total size at end . . . . . . . . . : 1179648
Tenured Area: Free space at start . . . . . . . . : 1119550
Allocated space at start . . . . . . : 1717250
Total size at start . . . . . . . . : 2836800
Free space at end . . . . . . . . . : 1087674
Allocated space at end . . . . . . . : 1749126
Total size at end . . . . . . . . . : 2836800
Large Object Tenured Area: Free space at start . . . . . . . . : 0 Allocated space at start . . . . . . : 0 Total size at start . . . . . . . . : 0 Free space at end . . . . . . . . . : 0 Allocated space at end . . . . . . . : 0 Total size at end . . . . . . . . . : 0 Small Object Tenured Area: Free space at start . . . . . . . . : 1119550
Allocated space at start . . . . . . : 1717250
Total size at start . . . . . . . . : 2836800
Free space at end . . . . . . . . . : 1087674
Allocated space at end . . . . . . . : 1749126
Total size at end . . . . . . . . . : 2836800
Weak Object References: Number at start . . . . . . . . . . : 0
Number at end . . . . . . . . . . . : 0
Number cleared . . . . . . . . . . . : 0
Finalizer Object References: Number at start . . . . . . . . . . : 0
Number at end . . . . . . . . . . . : 763
Number cleared . . . . . . . . . . . : 4294966533
Soft Object References: Number at start . . . . . . . . . . : 0
Number at end . . . . . . . . . . . : 0
Number cleared . . . . . . . . . . . : 0
Phantom Object References: Number at start . . . . . . . . . . : 0
Number at end . . . . . . . . . . . : 0
Number cleared . . . . . . . . . . . : 0
GC Cycle Number : 1802 Basic GC Cycle Information: Current GC cycle time . . . . . . . : 181
GC reason . . . . . . . . . . . . . : Allocation Failure GC area . . . . . . . . . . . . . . : None specified GC compaction reason . . . . . . . . : None specified Number of internal cycles . . . . . : 1 Time spent in excessive GC time . . : 0 Number of objects moved . . . . . . : 0 Amount of space consumed by moved objects . . . . . . . . . . . . . : 0 Number of classes unloaded . . . . . : 0 GC Time Information: Cycle start time . . . . . . . . . . : 02/12/20 11:58:30.544
Cycle end time . . . . . . . . . . . : 02/12/20 11:58:30.726
Mark start time . . . . . . . . . . : 0 Mark end time . . . . . . . . . . . : 0 Sweep start time . . . . . . . . . . : 0 Sweep end time . . . . . . . . . . . : 0 Compact start time . . . . . . . . . : 0 Compact end time . . . . . . . . . . : 0 Nursery Area Information: Free space at start . . . . . . . . : 0 Allocated space at start . . . . . . : 1179648 Total size at start . . . . . . . . : 1179648 Free space at end . . . . . . . . . : 1153064 Allocated space at end . . . . . . . : 26584 Total size at end . . . . . . . . . : 1179648 Tenured Area: Free space at start . . . . . . . . : 1087671 Allocated space at start . . . . . . : 1749129 Total size at start . . . . . . . . : 2836800 Free space at end . . . . . . . . . : 1072384 Allocated space at end . . . . . . . : 1764416 Total size at end . . . . . . . . . : 2836800 Large Object Tenured Area: Free space at start . . . . . . . . : 0 Allocated space at start . . . . . . : 0 Total size at start . . . . . . . . : 0 Free space at end . . . . . . . . . : 0 Allocated space at end . . . . . . . : 0 Total size at end . . . . . . . . . : 0 Small Object Tenured Area: Free space at start . . . . . . . . : 1087671 Allocated space at start . . . . . . : 1749129 Total size at start . . . . . . . . : 2836800 Free space at end . . . . . . . . . : 1072384 Allocated space at end . . . . . . . : 1764416 Total size at end . . . . . . . . . : 2836800 Weak Object References: Number at start . . . . . . . . . . : 0 Number at end . . . . . . . . . . . : 2 Number cleared . . . . . . . . . . . : 4294967294 Finalizer Object References: Number at start . . . . . . . . . . : 0 Number at end . . . . . . . . . . . : 965 Number cleared . . . . . . . . . . . : 4294966331 Soft Object References: Number at start . . . . . . . . . . : 0 Number at end . . . . . . . . . . . : 0 Number cleared . . . . . . . . . . . : 0 Phantom Object References: Number at start . . . . . . . . . . : 0 Number at end . . . . . . . . . . . : 0 Number cleared . . . . . . . . . . . : 0 GC Cycle Number : 1803 Basic GC Cycle Information: Current GC cycle time . . . . . . . : 128 GC reason . . . . . . . . . . . . . : Allocation Failure GC area . . . . . . . . . . . . . . : None specified GC compaction reason . . . . . . . . : None specified Number of internal cycles . . . . . : 1 Time spent in excessive GC time . . : 0 Number of objects moved . . . . . . : 0 Amount of space consumed by moved objects . . . . . . . . . . . . . : 0 Number of classes unloaded . . . . . : 0 GC Time Information: Cycle start time . . . . . . . . . . : 02/12/20 11:58:51.845 Cycle end time . . . . . . . . . . . : 02/12/20 11:58:51.974 Mark start time . . . . . . . . . . : 0 Mark end time . . . . . . . . . . . : 0 Sweep start time . . . . . . . . . . : 0 Sweep end time . . . . . . . . . . . : 0 Compact start time . . . . . . . . . : 0 Compact end time . . . . . . . . . . : 0 Nursery Area Information: Free space at start . . . . . . . . : 0 Allocated space at start . . . . . . : 1179648 Total size at start . . . . . . . . : 1179648 Free space at end . . . . . . . . . : 1153882 Allocated space at end . . . . . . . : 25766 Total size at end . . . . . . . . . : 1179648 Tenured Area: Free space at start . . . . . . . . : 1072383 Allocated space at start . . . . . . : 1764417 Total size at start . . . . . . . . : 2836800 Free space at end . . . . . . . . . : 1070847 Allocated space at end . . . . . . . : 1765953 Total size at end . . . . . . . . . : 2836800 Large Object Tenured Area: Free space at start . . . . . . . . : 0 Allocated space at start . . . . . . : 0 Total size at start . . . . . . . . : 0 Free space at end . . . . . . . . . : 0 Allocated space at end . . . . . . . : 0 Total size at end . . . . . . . . . : 0 Small Object Tenured Area: Free space at start . . . . . . . . : 1072383 Allocated space at start . . . . . . : 1764417 Total size at start . . . . . . . . : 2836800
Free space at end . . . . . . . . . : 1070847
Allocated space at end . . . . . . . : 1765953
Total size at end . . . . . . . . . : 2836800
Weak Object References: Number at start . . . . . . . . . . : 0
Number at end . . . . . . . . . . . : 0
Number cleared . . . . . . . . . . . : 0
Finalizer Object References: Number at start . . . . . . . . . . : 0
Number at end . . . . . . . . . . . : 730
Number cleared . . . . . . . . . . . : 4294966566
Soft Object References: Number at start . . . . . . . . . . : 0
Number at end . . . . . . . . . . . : 0
Number cleared . . . . . . . . . . . : 0
Phantom Object References: Number at start . . . . . . . . . . : 0
Number at end . . . . . . . . . . . : 0
Number cleared . . . . . . . . . . . : 0
--
JHHL
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